September weather forecast
Petros, TN

Share

Weather in September

The first month of the autumn, September, is still a warm month in Petros, Tennessee, with temperature in the range of an average high of 80.6°F (27°C) and an average low of 59°F (15°C).

Temperature

With the onset of September, Petros's climate undergoes a slight change as the average high-temperature moves from a tropical 86.5°F (30.3°C) in August to a moderately hot 80.6°F (27°C). The average low-temperature of 59°F (15°C) in September in Petros represents a significant drop from the daily high.

Heat index

In September, the heat index is evaluated at 84.2°F (29°C). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.
It is important to note that the heat index values are for shaded areas and light wind scenarios. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a composite of temperature and humidity figures to convey how warm it feels. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.

Humidity

In September, the average relative humidity is 76%.

Rainfall

The month with the least rainfall in Petros is September, when the rain falls for 12.5 days and typically collects 1.85" (47mm) of precipitation.

Snowfall

In Petros, Tennessee, snow does not fall in May through October.

Daylight

In September, the average length of the day is 12h and 24min.
On the first day of September, sunrise is at 7:10 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:22 pm EDT.

Sunshine

In September, the average sunshine in Petros is 8.5h.

UV index

In September, the average daily maximum UV index in Petros is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high UV index of 5 in September translates into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
[Resources]

Frequently asked questions

What is the usual temperature for Petros in September?

Petros in September has an average high-temperature of 80.6°F (27°C) and an average low-temperature of 59°F (15°C). In September, the average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, is evaluated at 84.2°F (29°C).

What is the average humidity in September in Petros?

The average relative humidity in September in Petros is 76%.

What is the driest month in Petros?

The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 1.85" (47mm) of precipitation.

How many days does it rain in September in Petros?

In September, in Petros, the rain falls for 12.5 days. Throughout September, 1.85" (47mm) of precipitation is accumulated.

When it does not snow in Petros?

May through October are months without snowfall in Petros.

How many hours of daylight does Petros have in September?

In September, the average day length in Petros is 12h and 24min.

What time are sunrise and sunset in September in Petros?

In September, on the first day of the month, sunrise is at 7:10 am and sunset at 8:05 pm. On the last day of the month, in Petros, Tennessee, sunrise is at 7:32 am and sunset at 7:22 pm EDT.

How long on average sun shines in September in Petros?

In Petros, Tennessee, the average sunshine duration in September is 8.5h.

What is the UV index intensity in September in Petros?

The average daily maximum UV index in September in Petros, Tennessee, is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average max. wind speed
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Petros, TN

Average temperature in September - Petros, TN
  • Average high temperature in September: 80.6°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (43.9°F).

  • Average low temperature in September: 59°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).

[Resources]

Average pressure in September
Petros, TN

Average pressure in September - Petros, TN
  • Average pressure in September: 30.04"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

[Resources]

Average wind speed in September
Petros, TN

Average wind speed in September - Petros, TN
  • Average wind speed in September: 3.9mph

The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

[Resources]

Average humidity in September
Petros, TN

Average humidity in September - Petros, TN
  • Average humidity in September: 76%

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, July and August (75%).

[Resources]

Average rainfall in September
Petros, TN

Average rainfall in September - Petros, TN
  • Average rainfall in September: 1.85"

The wettest month (with the highest rainfall) is February (3.9").
The driest month (with the least rainfall) is September (1.85").

[Resources]

Average rainfall days in September
Petros, TN

Average rainfall days in September - Petros, TN
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (9.3 days).

[Resources]

Average snowfall in September
Petros, TN

Average snowfall in September - Petros, TN
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.26").
The months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days in September
Petros, TN

Average snowfall days in September - Petros, TN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
Petros, TN

Average daylight in September / Average sunshine in September - Petros, TN
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

[Resources]

Average sunshine days in September
Petros, TN

Average sunshine days in September - Petros, TN
  • Average sunshine days in September: 15.6 days

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (10.7 days).

[Resources]

Average UV index in September
Petros, TN

Average UV index in September - Petros, TN
  • Average UV index in September: 5

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

[Resources]

Average cloud cover in September
Petros, TN

Average cloud cover in September - Petros, TN
  • Average cloud cover in September: 32

The month with the most cloud cover is February (Cloud cover 54).
The months with the least cloud cover are June and August (Cloud cover 30).

[Resources]

Average visibility in September
Petros, TN

Average visibility in September - Petros, TN
  • Average visibility in September: 6mi

The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).

[Resources]

Petros, Tennessee, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location